briar-headless: Add API to list all contacts

briar-headless/src/main/java/org/briarproject/bramble/identity/OutputAuthor.java

@@ -0,0 +1,23 @@
+package org.briarproject.bramble.identity;
+
+import org.briarproject.bramble.api.identity.Author;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+
+import javax.annotation.concurrent.Immutable;
+
+@Immutable
+@NotNullByDefault
+@SuppressWarnings("WeakerAccess")
+public class OutputAuthor {
+
+	public final byte[] id;
+	public final String name;
+	public final byte[] publicKey;
+
+	public OutputAuthor(Author author) {
+		this.id = author.getId().getBytes();
+		this.name = author.getName();
+		this.publicKey = author.getPublicKey();
+	}
+
+}

briar-headless/src/main/java/org/briarproject/briar/headless/Router.java

@@ -2,6 +2,7 @@ package org.briarproject.briar.headless;
 
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.briar.headless.blogs.BlogController;
+import org.briarproject.briar.headless.contact.ContactController;
 import org.briarproject.briar.headless.forums.ForumController;
 import org.briarproject.briar.headless.messaging.MessagingController;
 
@@ -26,16 +27,19 @@ import static java.lang.Runtime.getRuntime;
 public class Router {
 
 	private final BriarService briarService;
+	private final ContactController contactController;
 	private final MessagingController messagingController;
 	private final ForumController forumController;
 	private final BlogController blogController;
 
 	@Inject
 	public Router(BriarService briarService,
+			ContactController contactController,
 			MessagingController messagingController,
 			ForumController forumController,
 			BlogController blogController) {
 		this.briarService = briarService;
+		this.contactController = contactController;
 		this.messagingController = messagingController;
 		this.forumController = forumController;
 		this.blogController = blogController;
@@ -56,6 +60,7 @@ public class Router {
 				.start();
 
 		app.routes(() -> {
+			path("/contacts", () -> get(contactController::list));
 			path("/messages/:contactId", () -> {
 				get(messagingController::list);
 				post(messagingController::write);

briar-headless/src/main/java/org/briarproject/briar/headless/contact/ContactController.java

@@ -0,0 +1,39 @@
+package org.briarproject.briar.headless.contact;
+
+import org.briarproject.bramble.api.contact.Contact;
+import org.briarproject.bramble.api.contact.ContactManager;
+import org.briarproject.bramble.api.db.DbException;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import javax.annotation.concurrent.Immutable;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import io.javalin.Context;
+
+@Immutable
+@Singleton
+@NotNullByDefault
+public class ContactController {
+
+	private final ContactManager contactManager;
+
+	@Inject
+	public ContactController(ContactManager contactManager) {
+		this.contactManager = contactManager;
+	}
+
+	public Context list(Context ctx) throws DbException {
+		Collection<Contact> contacts = contactManager.getActiveContacts();
+		List<OutputContact> outputContacts = new ArrayList<>(contacts.size());
+		for (Contact c : contacts) {
+			outputContacts.add(new OutputContact(c));
+		}
+		return ctx.json(outputContacts);
+	}
+
+}

briar-headless/src/main/java/org/briarproject/briar/headless/contact/OutputContact.java

@@ -0,0 +1,24 @@
+package org.briarproject.briar.headless.contact;
+
+import org.briarproject.bramble.api.contact.Contact;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.briarproject.bramble.identity.OutputAuthor;
+
+import javax.annotation.concurrent.Immutable;
+
+@Immutable
+@NotNullByDefault
+@SuppressWarnings("WeakerAccess")
+public class OutputContact {
+
+	public final int id;
+	public final OutputAuthor author;
+	public final boolean verified;
+
+	public OutputContact(Contact c) {
+		this.id = c.getId().getInt();
+		this.author = new OutputAuthor(c.getAuthor());
+		this.verified = c.isVerified();
+	}
+
+}